Caden Caldwell

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Across
  1. 3. columns on the periodic table
  2. 7. the total area of the exterior of an object
  3. 8. hydrogen carbon and oxygen combine to make heat and light water and carbon dioxide
  4. 10. reaction where a compound replaces a part of itself with another element
  5. 15. something known because of your senses (sight sound smell etc)
  6. 16. a number placed in front of a chemical symbol
  7. 17. a atom that gained or lost a charge
  8. 18. scaled from 0 to 7
  9. 19. can be measured with a thermometer
  10. 20. a reaction where a single compound splits or breaks down into smaller bits
  11. 23. a reaction where two compound swap one of there parts with the other
  12. 24. positive charge
  13. 25. scaled from 7 to 14
  14. 27. a atom that gained a positive charge
Down
  1. 1. electrons on the outer most shell
  2. 2. scaled at 7
  3. 4. a atom that gained a negative charge
  4. 5. range of numbers from 0 to 14
  5. 6. a reaction where two or more elements or compounds combine
  6. 9. a educated guess based on what you know
  7. 11. the amount of a substance given
  8. 12. the rows on the periodic table
  9. 13. neutral charge
  10. 14. number of protons
  11. 21. how much matter contained in atom
  12. 22. small number written below the chemical symbol and right a bit
  13. 26. negative charge